public TreeNode getTree()
{
if (productionTreeRoot == null)
{
if (inputFile == null)
{
throw new Exception("Did not pass a input file to the compiler!!! Can not retrieve TreeRoot as there can not be one!!");
}
LL_0_ produceLL_0 = new LL_0_(productionDict, productions, nullables, tokens, ref LLTable, ref productionTreeRoot, inputFile != null);
}
return(productionTreeRoot);
}
public compiler(string gFile = null, string inFile = null, int cType = 0)
{
//compiler tasks, must do in order
grammarFile = gFile;
inputFile = inFile;
compilerType = cType;
init(grammarFile, inFile);
switch (cType)
{
case (0): //LL_Grammar
LL_0_ produceLL_0 = new LL_0_(productionDict, productions, nullables, tokens, ref LLTable, ref productionTreeRoot, inputFile != null);
break;
case (1): //LR_Grammar
SLR_1_ produceSLR_1 = new SLR_1_(productionDict, productions, nullables, Follows, tokens, ref LRTable, ref productionTreeRoot, ref startState, inputFile != null);
break;
}
}
public void produceTreeRoot()
{
switch (compilerType)
{
case (0): //LL_Grammar
LL_0_ produceLL_0 = new LL_0_(productionDict, productions, nullables, tokens, ref LLTable, ref productionTreeRoot, inputFile != null);
break;
case (1): //LR_Grammar
SLR_1_ produceSLR_1 = new SLR_1_(productionDict, productions[0].lhs, Follows, tokens, ref LRTable, ref productionTreeRoot, ref startState, inputFile != null);
break;
case (2):
GLR produceGLR = new GLR(productionDict, productions[0].lhs, Follows, tokens, ref GLRTable, ref productionTreeRoot, ref startState, inputFile != null);
break;
default:
throw new Exception("Invalid Grammar Parse type!! Please Specify cType = {0,1,2} = {LL(0), SLR(1), GLR}!! Got cType: " + compilerType);
}
}
